AP Photo/M. Spencer Green
Mickey, a Chihuahua, dressed as a supporter, is seen during a gathering in Union Park for a rally calling for the legalization of more than 12 million undocumented immigrant workers Friday, May 1, 2009, in Chicago.
May Day In Madrid
AP Photo/Daniel Ochoa de Olza
Spanish trade unions members holding banners and flags demonstrate to mark May Day in central Madrid, Friday, May 1, 2009.
May Day Maypole
AP Photo/Kerstin Joensson
People in traditional clothes erect a maypole in Grossgmain, Austria, Friday, May 1, 2009. Following a century-old tradition, May Poles are set up on the first of May all over Austria.
Shadows Of Soldiers
AP Photo/Rafiq Maqbool
U.S. soliders of 3rd Brigade, 10th Mountain Division patrol during a search operation to hunt members of Taliban in the Nerkh district of Wardak province, west of Kabul, Afghanistan, Friday, May 1, 2009.
Battle In The Bullring
AP Photo/Daniel Ochoa de Olza
Spanish matador Javier Cortes performs with a Jose Vazquez ranch bull during a bullfight at Las Ventas bullring in Madrid, Spain, Friday, May 1, 2009.
Down Under Catwalk
AP Photo/Rob Griffith
A model showing a design by Stand struts along the runway in Sydney, Australia, Friday, May 1, 2009, during Australia Fashion Week.
Closing Down In The Downturn
AP Photo/Lefteris Pitarakis
A woman walks past a shop with closing down sales signs, in west London, Friday, May 1, 2009.
Flag Day
AP Photo/Dmitry Lovetsky
Communist supporters march as they mark May Day in St. Petersburg, Russia, Friday, May 1, 2009, carrying red flags and a banner reading "Russian Communist Party" before them.